{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["common vulnerabilities and exposures", "capabilities", "vulnerable system owner", "vulnerable system", "vulnerable system version", "time", "discoverer", "vulnerability"]}], "input": "Separately , Microsoft is reportedly working on a fix for a \" fatal flaw \" in its initial Windows 10 fix for the Meltdown CPU vulnerability ."}
{"discover vulnerability": []}